Home / 20,226,940.56-27,920,768.40-13,258,067.04

Finding the Fourth Proportional to 20,226,940.56, 27,920,768.40 and 13,258,067.04

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Solution

The fourth proportional to 20,226,940.56, 27,920,768.40 and 13,258,067.04 is: 18,301,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,940.56 : 27,920,768.40 = 13,258,067.04 : x
  2. Step 2: Convert to fraction form
    20,226,940.56/27,920,768.40 = 13,258,067.04/x
  3. Step 3: Cross multiply
    20,226,940.56x = 27,920,768.40 × 13,258,067.04
  4. Step 4: Simplify right side
    20,226,940.56x = 370,175,419,255,513.50
  5. Step 5: Solve for x
    x = 370,175,419,255,513.50/20,226,940.56
  6. Step 6: Final answer
    x = 18,301,107.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.